Explore St. Louis’ crown jewel, Forest Park, and the History of Laclede’s Landing, The Cathedral Basilica of St. Louis and Ted Drewes Frozen Custard. At the Cathedral Basilica of St. Louis, you will see the largest collections of mosaics in the world. It’s a must see in St. Louis. Our crown jewel Forest Park houses the world-famous Saint Louis Zoo, the Saint Louis Art Museum, the Missouri History Museum, the Science Center and other attractions. You’ll enjoy a sweet treat from Ted Drewes Frozen Custard, a tradition in St. Louis since 1929 and located on Route 66 “The Mother Road”.